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Ricoh Co., Ltd. Patents
Assignee:
Ricoh Co., Ltd.
Address:
Tokyo, JP
No. of patents:
675
Patents:


1 2 3 4 5 6 7 8 9 10 11 12 13 14


Patent Number Title Of Patent Date Issued
RE39830 Method for apparatus for recording and playback of multidimensional walkthrough narratives September 11, 2007
A method and apparatus for recording and playback of multidimensional walkthrough narratives. A three dimensional modeling language is used to automatically create a simple three-dimensional environment using pre-existing electronic documents. A first user, or author may navigate thr
RE32330 Method of maintaining the correct conditions of an electrophotographically duplicated image January 13, 1987
A method of maintaining the correct conditions of an electrophotographically duplicated image, which uses a reference plate having at least a dark-tone area and a light-tone area and in which signals associated with the reference plate are detected and synthesized to control the dupl
RE31371 Developing system September 6, 1983
A developing system is provided for a copying process such as an electrophotographic copying process in which a developer is supplied to the surface of a member which is formed with an electrostatic latent image to provide developing thereof. An electrode is disposed opposite the sur
RE30535 Developing device in electrophotographic copying apparatus March 3, 1981
An improved developing device in electrophotographic copying apparatus in which a plurality of developing electrodes are disposed along a path of movement of a photosensitive drum surface. The electrodes are applied with voltages in a graded manner which conforms to the damping character
D435845 Computing system January 2, 2001
D294709 Electrophotographic copying machine March 15, 1988
D265655 Electrostatic copier August 3, 1982
7475251 Multimedia output device having embedded encryption functionality January 6, 2009
A multimedia output device having embedded encryption functionality enables the outputting of content in an encrypted form. The multimedia output device receives the content to be encrypted, encrypts the content, and generates an electronic output of the encrypted content. The multim
7474791 Content and display device dependent creation of smaller representations of images January 6, 2009
A method and apparatus to receive an image and to create a smaller representation of the image from a wavelet representation of the image is described. The size of the smaller representation of the image is selected to compensate for the content of the image and physical properties o
7472353 Remote console for network application servers December 30, 2008
A method and system that organize and retrieve multimedia objects. A controller may select an identifier associated with a media object to send a request to play the media object. The controller may send the request by transmitting the identifier stored in the controller. An applianc
7460810 Image forming apparatus having a cleaning roller for a charging roller of the apparatus December 2, 2008
An image forming apparatus includes an image carrying member, a charging roller for charging the image carrying member, a charging roller cleaning roller, and first and second shaft bearings. The charging roller cleaning roller contacts and cleans a surface of the charging roller. The fi
7460724 JPP-stream to JPEG 2000 codestream conversion December 2, 2008
A method and apparatus for converting a JPP-Stream to JPEG 2000 codestream is described. In one embodiment, the method comprises writing a main header data-bin to an output JPEG 2000 codestream with a marker segment specifying use of a progression order with a layer progression last. The
7457473 Method for block sequential processing November 25, 2008
A method and apparatus for performing block sequential processing is described. In one embodiment, the apparatus comprises a determine pass logic, selection logic, next coefficient logic and control. The determine pass logic has inputs coupled to receive significance state information
7454694 Method and system for organizing document information in a non-directed arrangement of documents November 18, 2008
A graphical user interface that presents information about documents organized in a non-directed arrangement to the user is provided by the present invention. In an exemplary embodiment, methods and systems including a graphical user interface for browsing or searching one or more do
7447369 Communication of compressed digital images November 4, 2008
A method and apparatus for performing partial image uploads. In one embodiment, the method comprises the server sending a portion of the compressed data of a codestream corresponding to an entire image to a client in response to a first request, the server receiving a second request
7443490 Medium discrimination device, image forming apparatus, and program having simplified mechanism October 28, 2008
A medium discrimination device includes a transmitted light quantity measurement device arranged to measure a transmitted light quantity in a thickness direction of a printing medium on a conveyance route, and configured to perform a measurement of the transmitted light quantity at e
7440126 Printer with document-triggered processing October 21, 2008
A system and method for a printer that can detect characteristics of a printed document and trigger an action in response, in addition to or instead of the action of printing the document.
7437109 Image forming method and apparatus with sensors for detecting an amount of light with respect to October 14, 2008
An image forming apparatus includes a housing including a cover configured to cover an opening provided in the housing, a transfer unit configured to move a loop-shaped moving member, a portion of which, across an entire width in a direction perpendicular to a moving direction thereof, b
7428578 Remotely initiated document transmission September 23, 2008
A method, system, computer program product, and user interface for securely and remotely selecting and initiating transmission of stored electronic documents from one device to another. The user may perform such operations with respect to documents on a source PC from any network-con
7428338 Header-based processing of images compressed using multi-scale transforms September 23, 2008
A method and apparatus is described for segmenting an image, for adaptively scaling an image, and for automatically scaling and cropping an image based on codestream headers data. In one embodiment, a file that can provide a header that contains multi-scale entropy distribution infor
7427259 Sheet folding device, sheet processing apparatus, and image forming system including the sheet f September 23, 2008
A sheet folding device, method, and computer program product for conveying one of a sheet and a sheet bundle with pressure by a sheet conveying unit toward a sheet position adjusting unit; moving the sheet position adjusting unit to a standby position located downstream of a folding
7421474 Verification scheme for email message containing information about remotely monitored devices September 2, 2008
The present invention relates to sending control or monitoring information between two hardware devices utilizing email. Control information relating to either a first hardware device or a second hardware device is determined. This information is incorporated into an email message. D
7418217 Image forming apparatus including a heat shielding device August 26, 2008
An image forming apparatus includes an image forming device that forms a toner image on a recording medium, a heat fixing device provided adjacent to the image forming device to fix the toner image onto the recording medium by heat, and a heat shielding device that shields the image
7415670 Printer with audio/video localization August 19, 2008
A multimedia printing device receives multimedia data, processes it, and outputs it, thereby enhancing the handling and use of such data. In an embodiment, the processed data are output in a variety of formats, including on video paper, through a multimedia broadcast, or a bar code p
7415235 Image forming method and apparatus, image fixing unit, and induction heater used therein August 19, 2008
An image forming apparatus includes a fixing unit for fixing a toner image on a recording sheet. In the fixing unit, a magnetic flux generator generates a magnetic flux to induce heat in a support roller. The heat is transferred to a fixing belt contacting the support roller. The recordi
7409177 Method and apparatus for image forming capable of effectively positioning a supporting member August 5, 2008
An image forming apparatus includes an image bearing member configured to bear an image on a surface thereof, an image bearing member supporting member configured to support the image bearing member, a sliding member having a guide portion, a positioning member configured to be detachabl
7397963 Method and apparatus for storing bitplanes of coefficients in a reduced size memory July 8, 2008
A method and apparatus for storing bitplanes of coefficients in a reduced size memory is disclosed. In one embodiment, a method for encoding coefficients comprises applying one or more wavelet transforms to generate multiple coefficients and storing N bitplanes of each of the multipl
7392307 Method and system of remote diagnostic, control and information collection using a shared resour June 24, 2008
A system, method and program product for diagnosing, controlling and collecting information from devices. Information regarding events of a target application executing in an application unit is collected and formatted into one of multiple data formats for transmission through one of
7389064 Image forming method and apparatus for convenient replacement of developer containers June 17, 2008
An image forming apparatus includes a plurality of containers, a container compartment, and a plurality of indicators. The plurality of containers contains developing agent, and may be arranged in parallel with each other in a first sequential order. The container compartment holds the
7386599 Methods and apparatuses for searching both external public documents and internal private docume June 10, 2008
Methods and apparatuses for both public documents and private documents in response to a single search request are disclosed. Public documents are electronic documents that are made available to large groups of people in by the publisher of the document. An example of a public document i
7383359 Method and system for remote diagnostic, control and information collection based on various com June 3, 2008
A method, system, and program product for communicating with machines connected to a network. Information sent to or from the machines is transmitted using electronic mail or a via a direct connection. The electronic mail may be transmitted over the Internet to a service center or fr
7379698 Image forming apparatus and fixing apparatus for fixing toner image by using belt May 27, 2008
An image forming apparatus includes an image forming mechanism configured to form a visible image using toner on a recording sheet according to input image data and a fixing mechanism configured to fix the visible image onto the recording sheet. The fixing mechanism includes a first
7375835 E-mail transmission of print-ready documents May 20, 2008
A method, system, and computer program product for transmitting print-ready electronic documents to a printer using e-mail as a transport mechanism. Responsive to a user request, a source PC transmits a document in print-ready format, so that there is no need for the printer to run or
7373101 Method and apparatus for image forming and effectively applying lubricant to an image bearing me May 13, 2008
A lubricant supplying device including a molded lubricant having a Martens hardness of approximately 40 N/mm.sup.2 to approximately 70 N/mm.sup.2 measured with a test force of 50 mN and a load-applying period of 30 seconds, a rotative member including a fibrous brush of a thickness of
7372992 Image data processing machine May 13, 2008
An image data processing machine implementing image processing of image data input with different resolution values in consideration of resolution and qualities of image outputs. A digital reproduction apparatus incorporating the image data processing machine retrieves correction dat
7366441 Method and apparatus for image forming having a predetermined gap formed between an image bearin April 29, 2008
A process cartridge includes an image bearing unit, a developing unit, and first and second positioning members. The image bearing unit includes a photoconductor, and a photoconductor case accommodating the photoconductor. The developing unit detachably combined with the image bearin
7363627 Method and system of remote diagnostic, control and information collection using multiple format April 22, 2008
A system, method and program product for diagnosing, controlling and collecting information from devices. Information regarding events of each one of a plurality of target applications executing in an application unit is collected and formatted into one of multiple data formats for t
7359965 Method and apparatus for providing multiple vendor support to remotely monitored devices April 15, 2008
A method and apparatus for providing multiple vendor support to remotely monitored devices is described. The method includes querying a monitored device to obtain at least one of manufacturer, model, and a unique identifier of the monitored device, using a hierarchical technique to d
7359901 Compressed document matching April 15, 2008
An apparatus and method for determining if a query document matches one or more of a plurality of documents in a database. In a coarse matching stage, a compressed file or other query document is scanned to produce a bit profile. Global statistics such as line spacing and text height are
7359664 Fixing device for an image forming apparatus including supporting members for fixing belts of th April 15, 2008
A fixing device for fixing a toner image on a recording medium includes first and second belts rotatably disposed opposite to each other such that the recording medium having the toner image thereon moves therebetween, a fixing roller disposed in contact with an inner surface of the
7356295 Developer-carrying member having improved transportability, a developing unit, a process cartrid April 8, 2008
A developer-carrying member to transport a developer having a carrier to a developing area facing an image carrying member in an image forming apparatus includes a sleeve. The sleeve carries the developer. The surface of the sleeve has a maximum roughness Rmax of one-sixth or greater
7356288 Developing apparatus having improved agitation effect April 8, 2008
A developing apparatus for use in an image forming apparatus includes a developing roller, a developing agent, a refilling port, a transport member, and an agitation enhancer. The developing agent includes toner particles and carrier particles and is refilled to the developing appara
7353273 Method and system for remote diagnostic, control and information collection based on various com April 1, 2008
A method, system, and program product for communicating with machines and end users connected to a network. Information sent to or from the machines is transmitted using electronic mail or a via a direct connection. The electronic mail may be transmitted over the Internet to a servic
7352908 Image compression device, image decompression device, image compression/decompression device, pr April 1, 2008
An image compression device comprising an image division unit dividing an image into a plurality of regions, a region designation unit designating a region of interest in the image, a quantization rate determination unit determining quantization rate with respect to each region divided b
7336395 Data conversion system, image processing and image forming apparatus February 26, 2008
Disclosed is a system of image data conversion, capable of setting conversion characteristics with more ease even for data having mixed image attributes, and of reducing the amount of data and the size of memory required. The conversion system includes processing elements in a proces
7334383 Package and method of forming the package February 26, 2008
A package including an endless belt; a first cylindrical body contacting an inner surface of the endless belt at a first pressure; a second cylindrical body contacting another inner surface of the endless belt at a second pressure; and a third cylindrical body contacting an outer sur
7330682 Apparatus capable of applying a high fixing-nip pressure which is easily released when a recordi February 12, 2008
An image forming system includes an image forming mechanism and a fixing mechanism. The fixing mechanism includes first and second fixing members configured to face each other to hold recording materials, a lock member, a pressuring lever, a pressure release lever and an elastic member.
7330608 Semantic document smartnails February 12, 2008
A method and apparatus is disclosed herein for generating visualizations of documents based on semantic information. In one embodiment, the method comprises selecting a plurality of image segments having a plurality of attributes that includes a semantic importance information for each o
7330009 Method, apparatus, and program for driving a motor in a feedback control system, capable of supp February 12, 2008
A method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing oscillation of the motor rotational speed are disclosed. A motor drive controller includes a drive motor, a detector, and a motor drive controller. The drive motor drives a moving
7328245 Remote retrieval of documents February 5, 2008
A method, system, computer program product, and user interface for enabling secure, remote selection and retrieval of stored electronic documents from a user's PC or other device. The user may obtain such access to his or her documents from any network-connected location, regardless
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